Treffer: Determination of the Sorption Curve of Hygroscopic Building Materials by the Inverse Method: A Preliminary Study

Title:
Determination of the Sorption Curve of Hygroscopic Building Materials by the Inverse Method: A Preliminary Study
Authors:
Wasik, Michał, Galiński, Rafał, Łapka, Piotr
Source:
ICTEA: International Conference on Thermal Engineering; Vol. 1 No. 1 (2025): ICTEA ; 2562-9034
Publisher Information:
International Conference on Thermal Engineering
Publication Year:
2025
Subject Terms:
inverse method, building materials, hygric properties, heat and moisture transfer
Document Type:
Fachzeitschrift article in journal/newspaper
File Description:
application/pdf
Language:
English
Relation:
https://journals.library.torontomu.ca/index.php/ictea/article/view/2520/2120; https://journals.library.torontomu.ca/index.php/ictea/article/view/2520
Availability:
https://journals.library.torontomu.ca/index.php/ictea/article/view/2520
Rights:
Copyright (c) 2025 ICTEA: International Conference on Thermal Engineering
Accession Number:
edsbas.22C34BF4
Database:
BASE

Weitere Informationen

The work presents preliminary studies on inverse algorithms for sorption curve determination. The technique of measurement of the sorption curve described in EN ISO 12571:2021 standard would take months to characterize these parameters. The proposed inverse method aimed to accelerate the measurement process by applying an in-house developed non-equilibrium heat and mass transfer model. The model was developed in ANSYS Fluent using advanced customization interfaces like User-Defined Function (UDF), User-Defined Scalar (UDS), and User-Defined Memory (UDM). The genetic algorithm, which was implemented in Python, was used to find unknown sorption curve parameters. The algorithm was tested using the experiment described in the literature. The inverse method allowed to find the sorption curve with satisfactory accuracy in the 0.4-0.7 relative humidity range.